In the steady state, cardiac output equals. venous return. Factors that cause hypereffective heart. Sympathetic stimulation can increase the effectiveness of the heart via: (2) increasing the strength of heart contraction. Factors that can cause a hypoeffective heart: (1) coronary artery blockage.
Thursday, March 19, 2015 - 11:09. Ed Sheeran has added yet another amazing accolade to his collection with the news that his global smash hit sophomore album X has hit the 2 million sales mark, joining a select band of chosen superstars to hit the same achievement.
Here are all albums that have sold 5 million or more copies in the last 10 years. The sales tally is the number of albums the album has sold from the week ending March 10, 2002 to the week ending March 11, 2012. (If the album was released prior to March 2002, I also show its total sales in parentheses.